Hedman headers for 1967-69 Firebird 326-455 Hedman headers for 1967-69 Firebird 326-455 Photo of a set of Hedman headers for 1967-69 Firebird 326-455. Photo of header reducers, gaskets and hardware included with Hedman Hedders Hedman headers for 1967-69 Firebird 326-455 Hedman headers for 1967-69 Firebird 326-455 This Product is MADE IN THE USA! Photo of Hedman's HTC Polished SIlver Ceramic Finish
Photo of Hedman's HTC Polished SIlver Ceramic Finish

Silver 1-3/4 in. Long-Tube Headers For 1967-69 Pontiac Firebird with 326-455 V8

Long Tube Headers; 1967-69 PONTIAC FIREBIRD / TRANS-AM with PONTIAC 326-455 V8 Engine; 1-3/4 in. Tubes; 3 in. Ball & Socket Collector- HTC Polished Silver Ceramic-Metallic Coated, Mild Steel Construction


Product Specifications

[PLEASE REVIEW THE FOLLOWING PRODUCT ATTRIBUTES & VEHICLE APPLICATION FOOTNOTES SPECIFIC TO YOUR VEHICLE, THOROUGHLY]

  • Tube Diameter 1-3/4 in.
  • Tube Style Long Tubes
  • Air Conditioning Yes
  • Automatic Transmission - Column No
  • Automatic Transmission - Floor Yes
  • Manual Transmission - Column No
  • Manual Transmission - Floor Yes
  • Power Steering Yes
  • Collector Attachment 3 in.
  • Collector Diameter 3 in.
  • Collector Size 3 in.
  • Collector Style BALL and SOCKET Style (Gasketless)
  • Reducer Outlet Size 2-1/2 in.
  • Exhaust System Dia 2-1/2 in.
  • Contents headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
  • Compatibility Notes Not For Ram Air III or IV style heads.
  • E.O. # No
  • Emissions Notes Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
  • Finish HTC Polished Silver Ceramic-Metallic
  • Finish Type HTC SILVER (polished) Ceramic-metallic Coating
  • Flange Style Standard
  • Flange Thickness 0.3125 in.
  • Header Style Long Tube
  • Material Mild Steel
  • Tube Design Standard
  • Tube Length Long Tubes
  • Tube Material Thickness 16g
  • Tube Size 1-3/4 in.
  • Variations 35270
  • with A.I.R. System No
  • with EGR No
  • Weld-Up No
  • Tuned No
  • Bolts/Studs Included Yes
  • Catalytic Converter(s) Included No
  • Crossover Pipe Included No
  • Gasket Or Seal Included Yes
  • Header Fasteners Included Yes
  • Installation Hardware Included Yes
  • Motor Mounts Included No
  • Mounting Hardware Included Yes
  • Reducers Included Yes
  • Y-Pipe Included No
  • Quantity Sold as a pair.
  • Primary Tube Gauge 16g
  • Primary Tube Diameter (in) 1.75 in.
  • Package Contents Headers, ball and socket reducers (exhaust adapters), gaskets, mounting hardware
  • Header Material Mild Steel
  • Header Finish HTC Polished Silver Ceramic-Metallic
  • Cylinder Head Port Shape Oval
  • Cylinder Head Stock Profile Heads
  • Header Construction MILD STEEL- Standard-Duty
  • Replacement Gasket 27600
  • Replacement Head Flange Gasket 27600
  • California Proposition 65 WARNING: Cancer & Reproductive Harm. For more info visit www.P65Warnings.ca.gov

Vehicle Applications

      Year C.I.D. Liter Block Type Cylinders Fuel Type Drive Type
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (23) Some heads require drilling and tapping of end holes.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (23) Some heads require drilling and tapping of end holes.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (23) Some heads require drilling and tapping of end holes.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (23) Some heads require drilling and tapping of end holes.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (23) Some heads require drilling and tapping of end holes.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
      Vehicle Specific Information
      Air ConditioningYes
      Power SteeringYes
      Auto Transmission - ColumnNo
      Auto Transmission - FloorYes
      Manual Transmission - ColumnNo
      Manual Transmission - FloorYes
      Footnotes(1) Without smog injection or injection heads.
      (10) Not For Ram Air III or IV style heads.
      (23) Some heads require drilling and tapping of end holes.
      Emissions Notes1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.
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